Skip to content
Snippets Groups Projects
id-manager.spec.ts 1.35 KiB
Newer Older
  • Learn to ignore specific revisions
  • import { IDManager } from 'common/util/id-manager';
    
    describe('IDService', () => {
      let manager: IDManager;
    
      beforeEach(() => {
        manager = IDManager.getInstance();
        manager.reset();
      });
    
      it('getNewID should fail on empty string param', () => {
        expect(() => { manager.getNewID(''); }).toThrow(Error('ID-Service: No type given!'));
      });
    
      it('getNewID should return first ID', () => {
        expect(manager.getNewID('text')).toBe('text_1');
      });
    
      it('getNewID should return different IDs - counting up', () => {
        manager.getNewID('text');
        expect(manager.getNewID('text')).toBe('text_2');
      });
    
      it('manager should return next id when one is already taken', () => {
        manager.addID('text_1');
        expect(manager.getNewID('text')).toBe('text_2');
      });
    
      it('isIdAvailable should return false when id is already taken', () => {
        expect(manager.isIdAvailable('text_1')).toBe(true);
        manager.addID('text_1');
        expect(manager.isIdAvailable('text_1')).toBe(false);
        expect(manager.isIdAvailable('text_2')).toBe(true);
      });
    
      it('isIdAvailable should return true when ID is returned (freed up)', () => {
        expect(manager.isIdAvailable('text_1')).toBe(true);
        manager.addID('text_1');
        expect(manager.isIdAvailable('text_1')).toBe(false);
        manager.removeId('text_1');
        expect(manager.isIdAvailable('text_1')).toBe(true);
      });
    });